CN206177224U - Measurement device for be used for annular cross recess symmetry - Google Patents
Measurement device for be used for annular cross recess symmetry Download PDFInfo
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- CN206177224U CN206177224U CN201621214116.6U CN201621214116U CN206177224U CN 206177224 U CN206177224 U CN 206177224U CN 201621214116 U CN201621214116 U CN 201621214116U CN 206177224 U CN206177224 U CN 206177224U
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a measurement device for be used for annular cross recess symmetry, belongs to machinery. The utility model provides a present have a part of annular cross recess, relative two inside walls that set up are about the unable measuring problem of the planar the central axis's of annular symmetry on every recess. Including locating component and measurement element, locating component includes the base, the center pin that support frame and perpendicular to base set up, measurement element sets up the top at the support frame, measurement element includes the amesdial, the card body and connecting rod, the cross section of the card body is the crescent structure, each rigid coupling of crescent both ends of the card body has a locating piece, in measurement, two relative of setting up were surveyed the recess on two locating pieces lay in respectively and are surveyed part annular plane, wherein, groove inner side wall in close contact with is surveyed with the quilt in a side relative with calorie body on the locating piece, the other end of connecting rod and the lateral wall in close contact with of center pin. The utility model is used for the measurement of annular cross recess symmetry.
Description
Technical field
The utility model is related to a kind of measurement apparatus, and in particular to a kind of measurement dress for donut cross groove symmetry
Put.
Background technology
The part (such as Figure 15 and Figure 16) with donut cross groove is widely used in mechanical industry.Open the bottom of the part
Annular groove is provided with, the center of the part offers the first central through hole along its axis direction, its donut cross groove is
It is relative on each groove to set along four uniform grooves of its circumferencial direction (being tested groove) on planar annular above part
Two central axis of the madial wall on planar annular put are symmetrical, and general for the requirement of this symmetry more strict.Should
Symmetry cannot be measured using general measurer, it is necessary to a kind of special measurement apparatus, quickly to measure symmetry.
Utility model content
The utility model is in solving the existing part with donut cross groove, be oppositely arranged on each groove
The problem that the symmetry of two central axis of the madial wall on planar annular cannot be measured, and then there is provided one kind for annular
The measurement apparatus of cross recess symmetry.
The utility model is that the technical scheme that solution above-mentioned technical problem is used is：
A kind of measurement apparatus for donut cross groove symmetry, including positioning component and measurement assembly, the positioning group
Part includes base, support frame and the central shaft set perpendicular to base, and the base is the ladder circle shell of column of "convex" shaped structure,
And base offers the second central through hole along its center axis direction, the bottom of central shaft be installed in the second central through hole and with
Second central through hole interference fit, tested part is positioned on base by the shoulder plane of central shaft and base, and tested zero
First central through hole of part coordinates with center shaft clearance, and support frame is fixed on the shoulder of base, and measurement assembly is arranged on support
The top of frame, measurement assembly includes amesdial, card body and connecting rod, and the cross section of card body is crescent structure, the crescent moon of card body
Shape two ends are respectively connected with a locating piece, and during measurement, two locating pieces are located on tested part planar annular and are oppositely arranged respectively
Two tested grooves in, wherein, the one side relative with card body is in close contact with tested groove madial wall on locating piece, thousand points
The axle sleeve of table is installed in card body and the axle sleeve of amesdial is affixed by holding screw with card body, and two locating pieces are relative to connection
The axisymmetrical of bar is set, and one end of connecting rod is connected with the sleeve thread of amesdial, the other end and the central shaft of connecting rod
Lateral wall is in close contact.
Second central through hole is coaxial shoulder hole, including location hole and fixing hole, the central shaft are multi-diameter shaft, bag
Include positioning section, the first cooperation section, reinforce section and the second cooperation section.
Support frame as described above is respectively and fixedly connected to the supporting plate of support block upper and lower ends, each supporting plate including support block and two pieces
It is 90 ° of ring flat-plates.
The supporting plate of support block lower end is fixed on the shoulder of base by bolt.
The width of the one side relative with card body is less than on locating piece and the another side of card body Joint on locating piece
Width.
The other end of connecting rod is flat end, and connecting rod is another less than connecting rod with central shaft lateral wall contact area
End face area.
Card body horizontal positioned state, the upper end of card body is connected with first boss, and the lower end of card body is connected with second boss, and
First boss is respectively positioned on the stage casing of card body with second boss, and the lower surface of second boss offers groove, the ailhead of holding screw
In groove.
The utility model has the following effects that compared with prior art：
Tested part is positioned by positioning component, central shaft coordinates with the first central through hole of tested part gap,
The central axes of the axis of central shaft and the first central through hole, are measured by measurement assembly to tested groove, overall
Measurement apparatus using simple, measurement efficiency is high, and the skill set requirements to operating personnel are low, improves detection efficiency, cost-effective,
Suitable for application on a large scale.
Brief description of the drawings
Fig. 1 is the schematic front view of the measurement apparatus for donut cross groove symmetry；Fig. 2 is the schematic top plan view of Fig. 1；
Fig. 3 is the left view schematic diagram of Fig. 1；Fig. 4 is the schematic front view (broken section) of positioning component；Fig. 5 illustrates for the right side of Fig. 4 regards
Figure；Fig. 6 is the schematic top plan view of Fig. 5；Fig. 7 is the schematic top plan view of measurement assembly；Fig. 8 is the schematic front view of measurement assembly
(broken section)；Fig. 9 is the schematic front view of support frame；Figure 10 is the A-A of Fig. 9 to schematic cross-sectional view；Figure 11 is the master of card body
Depending on schematic diagram；Figure 12 is the left view schematic diagram of Figure 11；Figure 13 is the schematic top plan view of Figure 11；Figure 14 illustrates for the main view of connecting rod
Figure；Figure 15 is the schematic front view (broken section) of tested part；Figure 16 is the schematic top plan view of Figure 15；Figure 17 is the master of base
Schematic cross-sectional view；The schematic front view of axle centered on Figure 18.
Specific embodiment
Specific embodiment one：Present embodiment is illustrated with reference to Fig. 1~Figure 18, one kind of present embodiment is used for annular ten
The measurement apparatus of word groove symmetry, including positioning component and measurement assembly, the positioning component include base 1, support frame 2 and hang down
The straight central shaft 3 set in base 1, the base 1 is the ladder circle shell of column of "convex" shaped structure, and base 1 is along central shaft
Line direction offers the second central through hole 1-1, the bottom of central shaft 3 be installed in the second central through hole 1-1 and with the second center
Through hole 1-1 interference fits, tested part is positioned on base 1 by the shoulder plane of central shaft 3 and base 1, and tested part
The first central through hole 100-1 and the gap of central shaft 3 coordinate, support frame 2 is fixed on the shoulder of base 1, and measurement assembly is set
In the top of support frame 2, measurement assembly includes amesdial 4, card body 5 and connecting rod 6, and the cross section of card body 5 is crescent structure,
The crescent two ends of card body 5 are respectively connected with a locating piece 7, and during measurement, two locating pieces 7 are located at tested part annular flat respectively
In two tested groove 100-2 being oppositely arranged on face, wherein, the one side relative with card body 5 and tested groove on locating piece 7
100-2 madial walls are in close contact, and the axle sleeve of amesdial 4 is installed in card body 5 and the axle sleeve of amesdial 4 passes through tightening with card body 5
Screw 8 is affixed, and two locating pieces 7 are set relative to the axisymmetrical of connecting rod 6, one end of connecting rod 6 and the axle sleeve of amesdial 4
Threaded connection, the other end of connecting rod 6 is in close contact with the lateral wall of central shaft 3.
Four tested groove 100-2 being uniformly arranged on tested part planar annular form donut cross groove, before measurement, first
Tested part is fixed by positioning component, is screwed in the screwed hole of the axle sleeve that one end of connecting rod 6 is screwed in amesdial 4, then
The connecting rod 6 that amesdial 4 will be connected with is inserted into card body 5, after locating piece 7 is contacted with tested groove 100-2 madial walls, Xiang Zhong
Heart direction of principal axis promotes amesdial, the other end of connecting rod 6 is contacted with central shaft 3, and indicator reading is more than 0.5mm, by tightening
Screw 8 holds out against amesdial axle sleeve
During measurement, measurement assembly is supported by support frame 2, first with two the be oppositely arranged sides of tested groove 100-2
On the basis of inwall, two locating pieces 7 in measurement assembly are individually positioned in two tested groove 100-2 being oppositely arranged,
It is in close contact side inwall of two locating pieces 7 respectively with groove where it, the other end of connecting rod 6 is outer with central shaft 3
Side wall is in close contact, and amesdial 4 is returned to zero；Tested part is rotated 180 °, with two be oppositely arranged tested groove 100-2's
On the basis of opposite side inwall, abovementioned steps are repeated, read the numerical value of amesdial 4, the numerical value for now being read is exactly finally to want
Two symmetries of central axis of the madial wall on planar annular being oppositely arranged on each groove of measurement.
The scale division value of amesdial 4 preferred 0.001mm, measurement range 0-2mm；The preferred M5 of screw thread specification of holding screw 8；
Specific embodiment two：Present embodiment, second central through hole are illustrated with reference to Fig. 4, Fig. 5, Figure 17 and Figure 18
1-1 is coaxial shoulder hole, including location hole 1-1-1 and fixing hole 1-1-2, and the central shaft 3 is multi-diameter shaft, including positioning section 3-
1st, first coordinates section 3-2, reinforces the cooperation sections of section 3-3 and second 3-4.It is so designed that, upper surface and the location hole 1- of positioning section 3-1
Be in close contact between 1-1, to ensure the perpendicularity between central shaft 3 and base 1, first coordinate section 3-2 and fixing hole 1-1-2 it
Between be interference fit, fix the position of central shaft 3, the diameter for reinforcing section 3-3 coordinates section 3-2 and second to coordinate section between first
Between 3-4, increase by the second rigidity for coordinating section 3-4, second coordinates the dimension precision requirement of section 3-4 higher, its periphery and quilt
The the first central through hole 100-1 gaps for surveying part coordinate.Other compositions are identical with specific embodiment one with annexation.
Specific embodiment three：Present embodiment is illustrated with reference to Fig. 1~Fig. 6, Fig. 9 and Figure 10, support frame as described above 2 includes branch
Bracer 2-1 and two pieces are respectively and fixedly connected to the supporting plate 2-2 of support block 2-1 upper and lower ends, and each supporting plate 2-2 is 90 ° of ring flat-plates.
It is so designed that, simple structure, save material, support block 2-1 is alternatively short circular ring structure.Other composition with annexation with it is specific
Implementation method one or two is identical.
Specific embodiment four：With reference to Fig. 1~Fig. 6, Fig. 9, Figure 10 explanation present embodiment, the branch of support block 2-1 lower ends
Fagging 2-2 is fixed on the shoulder of base 1 by bolt.It is so designed that, bolt is distributed in the two ends of support block 2-1, makes support
Connection between frame 2 and base 1 is more firm, and the preferred screw thread specification of bolt is M8 hex bolts, can between bolt and supporting plate 2-2
Flat shim is set.Other compositions are identical with specific embodiment three with annexation.
Specific embodiment five：Present embodiment is illustrated with reference to Fig. 1~Fig. 3, Figure 11~Figure 13, with card body 5 on locating piece 7
The width of relative one side is less than the width on locating piece 7 with the another side of the Joint of card body 5.It is so designed that, locating piece 7
The wider width of the another side of the upper and Joint of card body 5, it is ensured that the attachment structure intensity between card body and locating piece；Locating piece
The narrower width of the one side relative with card body 5 on 7, it is ensured that certainty of measurement.Other compositions and annexation and specific embodiment party
Formula one, two or four are identical.
Specific embodiment six：Present embodiment is illustrated with reference to Fig. 1, Fig. 2, Fig. 7 and Fig. 8, the other end of connecting rod 6 is flat
Flush end, and other end face area of the connecting rod 6 with the lateral wall contact area of central shaft 3 less than connecting rod 6.It is so designed that, protects
Card certainty of measurement.Other compositions are identical with specific embodiment five with annexation.
Specific embodiment seven：Present embodiment, the horizontal positioned shape of card body 5 are illustrated with reference to Fig. 1~Fig. 3, Figure 11~Figure 13
State, the upper end of card body 5 is connected with first boss 5-1, and the lower end of card body 5 is connected with second boss 5-2, and first boss 5-1 with
Second boss 5-2 is respectively positioned on the stage casing of card body 5, and the lower surface of second boss 5-2 offers groove 5-3, the ailhead of holding screw 8
In groove 5-3.It is so designed that, does not take up room individually, it is attractive in appearance, by first boss 5-1 and second boss 5-2, can
Increase the thickness of card body 5 so that after connecting rod 6 is installed in card body 5, card body 5 remains to holding structure and consolidates, and holding screw 8 is located at
In the groove 5-3 of second boss 5-2 lower ends so that card body 5 can be smoothly located on support frame 2 by second boss 5-2.Its
It constitutes identical with specific embodiment one, two, four or six with annexation.
Claims (7)
1. a kind of measurement apparatus for donut cross groove symmetry, it is characterised in that：Including positioning component and measurement assembly, institute
The central shaft (3) that positioning component is set including base (1), support frame (2) and perpendicular to base (1) is stated, the base (1) is
The ladder circle shell of column of "convex" shaped structure, and base (1) offers the second central through hole (1-1) along its center axis direction, in
The bottom of heart axle (3) be installed in the second central through hole (1-1) and with the second central through hole (1-1) interference fit, tested part
Be positioned on base (1) by the shoulder plane of central shaft (3) and base (1), and tested part the first central through hole (100-
1) coordinate with central shaft (3) gap, support frame (2) is fixed on the shoulder of base (1), and measurement assembly is arranged on support frame (2)
Top, measurement assembly includes amesdial (4), card body (5) and connecting rod (6), and the cross section of card body (5) is crescent structure,
The crescent two ends of card body (5) are respectively connected with a locating piece (7), and during measurement, two locating pieces (7) are located at tested part respectively
In two tested grooves (100-2) being oppositely arranged on planar annular, wherein, the side relative with card body (5) on locating piece (7)
Face and tested groove (100-2) madial wall are in close contact, and the axle sleeve of amesdial (4) is installed in card body (5) and amesdial (4)
Axle sleeve is affixed by holding screw (8) with card body (5), and two locating pieces (7) are set relative to the axisymmetrical of connecting rod (6),
One end of connecting rod (6) is connected with the sleeve thread of amesdial (4), the other end of connecting rod (6) and the lateral wall of central shaft (3)
It is in close contact.
2. a kind of measurement apparatus for donut cross groove symmetry according to claim 1, it is characterised in that：Described
Two central through holes (1-1) are coaxial shoulder hole, including location hole (1-1-1) and fixing hole (1-1-2), and the central shaft (3) is
Multi-diameter shaft, including positioning section (3-1), the first cooperation section (3-2), reinforcing section (3-3) and second coordinate section (3-4).
3. a kind of measurement apparatus for donut cross groove symmetry according to claim 1 and 2, it is characterised in that：Institute
The supporting plate (2-2) that support frame (2) is respectively and fixedly connected to support block (2-1) upper and lower ends including support block (2-1) and two pieces is stated, often
Individual supporting plate (2-2) is 90 ° of ring flat-plates.
4. a kind of measurement apparatus for donut cross groove symmetry according to claim 3, it is characterised in that：Support block
The supporting plate (2-2) of (2-1) lower end is fixed on the shoulder of base (1) by bolt.
5. a kind of measurement apparatus for donut cross groove symmetry according to claim 1,2 or 4, it is characterised in that：
The width of the one side relative with card body (5) is less than the opposite side on locating piece (7) with card body (5) Joint on locating piece (7)
The width in face.
6. a kind of measurement apparatus for donut cross groove symmetry according to claim 5, it is characterised in that：Connecting rod
(6) the other end is flat end, and connecting rod (6) is less than the other end of connecting rod (6) with central shaft (3) lateral wall contact area
Face area.
7. a kind of measurement apparatus for donut cross groove symmetry according to claim 1,2,4 or 6, its feature exists
In：Card body (5) horizontal positioned state, the upper end of card body (5) is connected with first boss (5-1), and the lower end of card body (5) is connected with
Two boss (5-2), and first boss (5-1) is respectively positioned on the stage casing of card body (5) with second boss (5-2), second boss (5-2)
Lower surface offers groove (5-3), and the ailhead of holding screw (8) is located in groove (5-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214116.6U CN206177224U (en) | 2016-11-10 | 2016-11-10 | Measurement device for be used for annular cross recess symmetry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621214116.6U CN206177224U (en) | 2016-11-10 | 2016-11-10 | Measurement device for be used for annular cross recess symmetry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177224U true CN206177224U (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621214116.6U Active CN206177224U (en) | 2016-11-10 | 2016-11-10 | Measurement device for be used for annular cross recess symmetry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524880A (en) * | 2016-11-10 | 2017-03-22 | 哈尔滨建成集团有限公司 | Device for measuring symmetry of annular cross slot |
-
2016
- 2016-11-10 CN CN201621214116.6U patent/CN206177224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524880A (en) * | 2016-11-10 | 2017-03-22 | 哈尔滨建成集团有限公司 | Device for measuring symmetry of annular cross slot |
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